Webfont CORS-enabled fetching with fallback

Source/core/fetch/FontResource.h

Index: Source/core/fetch/FontResource.h
diff --git a/Source/core/fetch/FontResource.h b/Source/core/fetch/FontResource.h
index 66df929ac409be9d97239251256d3fc3e5e8840a..dd392d16e988ebf3661beb9e962536e1c2561aae 100644
--- a/Source/core/fetch/FontResource.h
+++ b/Source/core/fetch/FontResource.h
@@ -57,6 +57,8 @@ public:
     virtual bool stillNeedsLoad() const OVERRIDE { return !m_loadInitiated; }
     bool exceedsFontLoadWaitLimit() const { return m_exceedsFontLoadWaitLimit; }
 
+    void setCORSFailed() { m_corsFailed = true; }
+
     bool ensureCustomFontData();
     FontPlatformData platformDataFromCustomData(float size, bool bold, bool italic, FontOrientation = Horizontal, FontWidthVariant = RegularWidth);
 
@@ -75,6 +77,7 @@ private:
     OwnPtr<FontCustomPlatformData> m_fontData;
     bool m_loadInitiated;
     bool m_exceedsFontLoadWaitLimit;
+    bool m_corsFailed;
     Timer<FontResource> m_fontLoadWaitLimitTimer;
 
 #if ENABLE(SVG_FONTS)
@@ -94,6 +97,7 @@ public:
     virtual void fontLoaded(FontResource*) { }
     virtual void didStartFontLoad(FontResource*) { }
     virtual void fontLoadWaitLimitExceeded(FontResource*) { }
+    virtual void corsFailed(FontResource*) { }
 };
 
 }